Home / 61,002.99-84,172.15-38,328.84

Finding the Fourth Proportional to 61,002.99, 84,172.15 and 38,328.84

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Solution

The fourth proportional to 61,002.99, 84,172.15 and 38,328.84 is: 52,886.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,002.99 : 84,172.15 = 38,328.84 : x
  2. Step 2: Convert to fraction form
    61,002.99/84,172.15 = 38,328.84/x
  3. Step 3: Cross multiply
    61,002.99x = 84,172.15 × 38,328.84
  4. Step 4: Simplify right side
    61,002.99x = 3,226,220,965.63
  5. Step 5: Solve for x
    x = 3,226,220,965.63/61,002.99
  6. Step 6: Final answer
    x = 52,886.28

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.